Fix docs.rs build

Cargo.toml

@@ -10,12 +10,14 @@ build       = "src/build.rs"
 description = "Rust bindings to the System Informer's (formerly known as Process Hacker) `phnt` native Windows headers"
 # exclude     = ["deps"]
 
+[features]
+vendored = []
+
 [package.metadata.docs.rs]
 all-features = true
 default-target = "x86_64-pc-windows-msvc"
 targets = ["x86_64-pc-windows-msvc"]
-rustdoc-args = ["--cfg=docsrs"]
-rustc-args = ["--cfg=docsrs"]
+rustdoc-args = ["--cfg", "docsrs"]
 
 [build-dependencies]
 windows.features = ["Win32_Foundation"]

src/build.rs

@@ -109,13 +109,15 @@ impl BindgenConfig {
    }
 }
 
-#[cfg(not(docsrs))]
+#[cfg_attr(docsrs, doc(cfg(any(feature = "vendored", docsrs))))]
+#[cfg(any(feature = "vendored", docsrs))]
 fn main() {
-   if cfg!(docsrs) {
-      println!("Skipping regeneration of bindings for docs.rs.");
-      return;
-   }
+   println!("Using vendored bindings, build script skipped.");
+}
 
+#[cfg_attr(docsrs, doc(cfg(all(not(feature = "vendored"), not(docsrs)))))]
+#[cfg(all(not(feature = "vendored"), not(docsrs)))]
+fn main() {
    std::process::Command::new("git")
       .args(["submodule", "update", "--remote", "--recursive"])
       .output()

src/lib.rs

@@ -20,6 +20,7 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 //
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![doc = include_str!("../README.md")]
 #![allow(
    warnings,
@@ -31,12 +32,14 @@
 
 /// Bindings for `phnt` (nightly) generated by `bindgen` 
 pub mod ffi {
-   // use vendored `generated.rs` for docs.rs
-   #[cfg(docsrs)]
+   // use vendored bindings
+   #[cfg_attr(docsrs, doc(cfg(any(feature = "vendored", docsrs))))]
+   #[cfg(any(feature = "vendored", docsrs))]
    include!("ffi/generated.rs");
 
-   // use regenerated bindings in production
-   #[cfg(not(docsrs))]
+   // use re-generated bindings
+   #[cfg_attr(docsrs, doc(cfg(all(not(feature = "vendored"), not(docsrs)))))]
+   #[cfg(all(not(feature = "vendored"), not(docsrs)))]
    include!(concat!(env!("OUT_DIR"), "\\generated.rs"));
 }